Route · BOS → IAH · 2020–2025 BTS data
Boston to Houston
The BOS–IAH corridor (Boston, MA → Houston, TX) runs ahead of the national average, served by 10 carriers across roughly 1,597 miles.
Data updated 2026-06-13
- 81.1%
- On-time
- +2.1 pts
- vs US avg
- 68 min
- Delay when late
- 9,747
- Flights
Cancelled
1.3%
Best Month
Oct 2024 91%
Worst Month
Jul 2024 62%
Distance
1,597 mi
Carriers
10
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 175 | 39 | 0 | 0 | B6,UA |
| Nov 2025 | 189 | 30 | 2 | 0 | UA,B6 |
| Oct 2025 | 190 | 32 | 0 | 0 | B6,UA |
| Sep 2025 | 158 | 36 | 1 | 1 | UA,B6 |
| Aug 2025 | 197 | 34 | 2 | 2 | UA,B6 |
| Jul 2025 | 216 | 44 | 5 | 3 | B6,UA |
| Jun 2025 | 196 | 55 | 2 | 4 | B6,UA |
| May 2025 | 207 | 39 | 0 | 1 | B6,UA,NK |
| Apr 2025 | 150 | 35 | 0 | 1 | UA,B6 |
| Mar 2025 | 150 | 27 | 0 | 0 | B6,UA |
| Feb 2025 | 118 | 26 | 1 | 1 | B6,UA |
| Jan 2025 | 113 | 42 | 4 | 0 | B6,UA |
| Dec 2024 | 132 | 32 | 1 | 0 | B6,UA |
| Nov 2024 | 139 | 18 | 0 | 0 | UA,B6 |
| Oct 2024 | 163 | 14 | 0 | 0 | UA,NK,B6 |
| Sep 2024 | 172 | 30 | 0 | 0 | UA,B6,NK |
| Aug 2024 | 199 | 42 | 4 | 2 | B6,NK,UA |
| Jul 2024 | 211 | 80 | 22 | 0 | B6,NK,UA |
| Jun 2024 | 209 | 50 | 0 | 2 | B6,NK,UA |
| May 2024 | 192 | 68 | 3 | 5 | B6,NK,UA |
| Apr 2024 | 167 | 39 | 0 | 1 | B6,NK,UA |
| Mar 2024 | 142 | 20 | 0 | 0 | B6,UA |
| Feb 2024 | 127 | 11 | 0 | 0 | B6,UA |
| Jan 2024 | 130 | 33 | 7 | 2 | B6,UA |
Cancellation Rate
1.3%
54 of 4,042 flights
Diversion Rate
0.6%
25 of 4,042 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BOS - Boston
Full on-time, delay-cause, and seasonal performance for Boston, MA.
Origin airport →IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Destination airport →Compare the two airports
See BOS and IAH side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to BOS–IAH.
Routes with a similar on-time rate
What the Data Says About BOS to IAH
9,747 tracked flights put the BOS to IAH pairing (Boston to Houston) at a 81.1% on-time rate, squarely in line with the wider network. Delays that do occur run 68.4 minutes on average. Across the 1,597-mile route and its 10 carriers, the trailing 24 months show 1.3% cancelled and 0.6% diverted (4,042 flights sampled).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 91% on-time, while Jul 2024 came in at just 62% - a 29-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.